81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
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#include "typedefs.h"
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#include "rtp_rtcp_config.h" // misc. defines (e.g. MAX_PACKET_LENGTH)
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#include "common_types.h" // Transport
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#include "list_wrapper.h"
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namespace webrtc {
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class Bitrate
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{
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public:
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Bitrate();
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// initialize members
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void Init();
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// calculate rates
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void Process();
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// update with a packet
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void Update(const WebRtc_Word32 bytes);
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// packet rate last second, updated roughly every 100 ms
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WebRtc_UWord32 PacketRate() const;
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// bitrate last second, updated roughly every 100 ms
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WebRtc_UWord32 BitrateLast() const;
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// bitrate last second, updated now
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WebRtc_UWord32 BitrateNow() const;
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private:
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WebRtc_UWord32 _packetRate;
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WebRtc_UWord32 _bitrate;
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WebRtc_UWord8 _bitrateNextIdx;
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WebRtc_UWord32 _packetRateArray[10];
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WebRtc_UWord32 _bitrateArray[10];
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WebRtc_UWord32 _bitrateDiffMS[10];
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WebRtc_UWord32 _timeLastRateUpdate;
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WebRtc_UWord32 _bytesCount;
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WebRtc_UWord32 _packetCount;
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};
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struct DataTimeSizeTuple
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{
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DataTimeSizeTuple(WebRtc_Word64 sizeBytes, WebRtc_Word64 timeCompleteMs) :
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_sizeBytes(sizeBytes), _timeCompleteMs(timeCompleteMs) {}
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WebRtc_Word64 _sizeBytes;
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WebRtc_Word64 _timeCompleteMs;
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};
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class BitRateStats
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{
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public:
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BitRateStats();
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~BitRateStats();
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void Init();
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void Update(WebRtc_Word64 packetSizeBytes, WebRtc_Word64 nowMs);
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WebRtc_UWord32 BitRateNow();
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private:
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ListWrapper _dataSamples;
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WebRtc_UWord32 _avgSentBitRateBps;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
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